BR112021017294A2 - Powder proportion measuring device, powder proportion measuring system, powder proportion measuring method, computer program, blast furnace and blast furnace operation method - Google Patents

Powder proportion measuring device, powder proportion measuring system, powder proportion measuring method, computer program, blast furnace and blast furnace operation method

Info

Publication number
BR112021017294A2
BR112021017294A2 BR112021017294A BR112021017294A BR112021017294A2 BR 112021017294 A2 BR112021017294 A2 BR 112021017294A2 BR 112021017294 A BR112021017294 A BR 112021017294A BR 112021017294 A BR112021017294 A BR 112021017294A BR 112021017294 A2 BR112021017294 A2 BR 112021017294A2
Authority
BR
Brazil
Prior art keywords
powder
blast furnace
powder proportion
proportion measuring
proportion
Prior art date
Application number
BR112021017294A
Other languages
Portuguese (pt)
Inventor
Naoshi Yamahira
Original Assignee
Jfe Steel Corp
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Jfe Steel Corp filed Critical Jfe Steel Corp
Publication of BR112021017294A2 publication Critical patent/BR112021017294A2/en

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N15/00—Investigating characteristics of particles; Investigating permeability, pore-volume, or surface-area of porous materials
    • G01N15/02—Investigating particle size or size distribution
    • G01N15/0205—Investigating particle size or size distribution by optical means, e.g. by light scattering, diffraction, holography or imaging
    • C—CHEMISTRY; METALLURGY
    • C21—METALLURGY OF IRON
    • C21B—MANUFACTURE OF IRON OR STEEL
    • C21B7/00—Blast furnaces
    • C21B7/24—Test rods or other checking devices
    • C—CHEMISTRY; METALLURGY
    • C21—METALLURGY OF IRON
    • C21B—MANUFACTURE OF IRON OR STEEL
    • C21B5/00—Making pig-iron in the blast furnace
    • C21B5/006—Automatically controlling the process
    • C—CHEMISTRY; METALLURGY
    • C21—METALLURGY OF IRON
    • C21B—MANUFACTURE OF IRON OR STEEL
    • C21B5/00—Making pig-iron in the blast furnace
    • C21B5/008—Composition or distribution of the charge
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F27—FURNACES; KILNS; OVENS; RETORTS
    • F27D—DETAILS OR ACCESSORIES OF FURNACES, KILNS, OVENS, OR RETORTS, IN SO FAR AS THEY ARE OF KINDS OCCURRING IN MORE THAN ONE KIND OF FURNACE
    • F27D21/00—Arrangements of monitoring devices; Arrangements of safety devices
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N15/00—Investigating characteristics of particles; Investigating permeability, pore-volume, or surface-area of porous materials
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N15/00—Investigating characteristics of particles; Investigating permeability, pore-volume, or surface-area of porous materials
    • G01N15/10—Investigating individual particles
    • G01N15/14—Electro-optical investigation, e.g. flow cytometers
    • G01N15/1429—Electro-optical investigation, e.g. flow cytometers using an analyser being characterised by its signal processing
    • G01N15/1433—
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N15/00—Investigating characteristics of particles; Investigating permeability, pore-volume, or surface-area of porous materials
    • G01N15/10—Investigating individual particles
    • G01N15/14—Electro-optical investigation, e.g. flow cytometers
    • G01N15/1434—Electro-optical investigation, e.g. flow cytometers using an analyser being characterised by its optical arrangement
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N15/00—Investigating characteristics of particles; Investigating permeability, pore-volume, or surface-area of porous materials
    • G01N15/10—Investigating individual particles
    • G01N15/14—Electro-optical investigation, e.g. flow cytometers
    • G01N15/1468—Electro-optical investigation, e.g. flow cytometers with spatial resolution of the texture or inner structure of the particle
    • G01N15/147—Electro-optical investigation, e.g. flow cytometers with spatial resolution of the texture or inner structure of the particle the analysis being performed on a sample stream
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
    • G01N21/17—Systems in which incident light is modified in accordance with the properties of the material investigated
    • G01N21/25—Colour; Spectral properties, i.e. comparison of effect of material on the light at two or more different wavelengths or wavelength bands
    • G01N21/27—Colour; Spectral properties, i.e. comparison of effect of material on the light at two or more different wavelengths or wavelength bands using photo-electric detection ; circuits for computing concentration
    • C—CHEMISTRY; METALLURGY
    • C21—METALLURGY OF IRON
    • C21B—MANUFACTURE OF IRON OR STEEL
    • C21B2300/00—Process aspects
    • C21B2300/04—Modeling of the process, e.g. for control purposes; CII
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N15/00—Investigating characteristics of particles; Investigating permeability, pore-volume, or surface-area of porous materials
    • G01N2015/0096—Investigating consistence of powders, dustability, dustiness

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Biochemistry (AREA)
  • General Health & Medical Sciences (AREA)
  • General Physics & Mathematics (AREA)
  • Immunology (AREA)
  • Pathology (AREA)
  • Dispersion Chemistry (AREA)
  • Manufacturing & Machinery (AREA)
  • Materials Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Mathematical Physics (AREA)
  • Theoretical Computer Science (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Signal Processing (AREA)
  • Investigating Or Analysing Materials By Optical Means (AREA)
  • Manufacture Of Iron (AREA)
  • Blast Furnaces (AREA)

Abstract

dispositivo de medição de proporção de pó, sistema de medição de proporção de pó, método de medição de proporção de pó, programa de computador, alto-forno e método de operação de alto-forno. um dispositivo de medição de proporção de pó é fornecido, que, em processos de operação de um alto-forno, etc., pode medir em tempo real com alta precisão a proporção de pó de pó aderido à superfície do material usado como uma matéria-prima. este dispositivo de medição de proporção de pó 12, que mede a proporção de pó de um pó aderido à superfície de uma substância 26, é fornecido com um dispositivo de iluminação 18 que ilumina a substância 26, um dispositivo espectroscópico 16 que divide a luz refletida da substância 26 e mede a reflectância espectral do mesmo, e um dispositivo de cálculo 22 que, da reflectância espectral em cada posição na superfície da substância medida pelo dispositivo espectroscópico 16, usa pelo menos a reflectância espectral da região onde o pó está aderido, calcula um valor correspondente à área de superfície da região à qual o pó está aderido e calcula a proporção de pó com base no referido valor calculado.powder proportion measuring device, powder proportion measuring system, powder proportion measuring method, computer program, blast furnace and blast furnace operation method. a powder proportion measuring device is provided, which, in operating processes of a blast furnace, etc., can measure in real time with high precision the proportion of powder powder adhered to the surface of the material used as a raw material. cousin. This powder ratio measuring device 12, which measures the powder ratio of a powder adhered to the surface of a substance 26, is provided with an illumination device 18 that illuminates the substance 26, a spectroscopic device 16 that splits the reflected light of the substance 26 and measures its spectral reflectance, and a calculating device 22 which, from the spectral reflectance at each position on the surface of the substance measured by the spectroscopic device 16, uses at least the spectral reflectance of the region where the powder is adhered, calculates a value corresponding to the surface area of the region to which the powder is adhered and calculates the proportion of powder based on said calculated value.

BR112021017294A 2019-03-28 2020-03-24 Powder proportion measuring device, powder proportion measuring system, powder proportion measuring method, computer program, blast furnace and blast furnace operation method BR112021017294A2 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2019062707 2019-03-28
PCT/JP2020/012925 WO2020196487A1 (en) 2019-03-28 2020-03-24 Powder ratio measurement device, powder ratio measurement system, powder ratio measurement method, computer program, blast furnace and blast furnace operation method

Publications (1)

Publication Number Publication Date
BR112021017294A2 true BR112021017294A2 (en) 2021-11-09

Family

ID=72610925

Family Applications (1)

Application Number Title Priority Date Filing Date
BR112021017294A BR112021017294A2 (en) 2019-03-28 2020-03-24 Powder proportion measuring device, powder proportion measuring system, powder proportion measuring method, computer program, blast furnace and blast furnace operation method

Country Status (6)

Country Link
EP (1) EP3950968A4 (en)
JP (1) JP6950839B2 (en)
KR (1) KR102603372B1 (en)
CN (1) CN113614254B (en)
BR (1) BR112021017294A2 (en)
WO (1) WO2020196487A1 (en)

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2000329683A (en) 1999-05-20 2000-11-30 Ube Ind Ltd Detecting method for particle size of object conveyed by belt conveyor
JP2005134301A (en) 2003-10-31 2005-05-26 Jfe Steel Kk Calibration method for particle size distribution measurement
US7924414B2 (en) * 2006-05-10 2011-04-12 Abb Schweiz Ag Non-hazardous bulk material analyzer system
JP5123509B2 (en) * 2006-09-28 2013-01-23 オリンパス株式会社 Measurement region setting device, measurement region setting method, and spectroscopic measurement device
US20120306257A1 (en) * 2010-02-05 2012-12-06 Katherine Silversides Determination of rock types by spectral scanning
JP5902067B2 (en) * 2012-08-14 2016-04-13 Ｊｆｅ電制株式会社 Paper dust adhesion amount inspection method and paper dust adhesion amount inspection device
JP6044536B2 (en) 2013-12-27 2016-12-14 Ｊｆｅスチール株式会社 Blast furnace charge detector
JP6252504B2 (en) * 2015-01-30 2017-12-27 Ｊｆｅスチール株式会社 Blast furnace charge detection method
JP6308284B2 (en) * 2016-11-11 2018-04-11 Ｊｆｅスチール株式会社 Blast furnace charge detection device and blast furnace operation method
WO2018101287A1 (en) * 2016-11-30 2018-06-07 Ｊｆｅスチール株式会社 Powder ratio measuring device and powder ratio measuring system
US11391662B2 (en) * 2017-03-30 2022-07-19 Jfe Steel Corporation Raw material particle size distribution measuring apparatus, particle size distribution measuring method, and porosity measuring apparatus

Also Published As

Publication number Publication date
KR20210122821A (en) 2021-10-12
KR102603372B1 (en) 2023-11-16
WO2020196487A1 (en) 2020-10-01
CN113614254B (en) 2022-11-18
EP3950968A4 (en) 2022-05-04
JPWO2020196487A1 (en) 2021-04-08
CN113614254A (en) 2021-11-05
EP3950968A1 (en) 2022-02-09
JP6950839B2 (en) 2021-10-13

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Legal Events

Date Code Title Description
B06W Patent application suspended after preliminary examination (for patents with searches from other patent authorities) chapter 6.23 patent gazette]
B07A Application suspended after technical examination (opinion) [chapter 7.1 patent gazette]